DE69118309T2 - Verfahren zur Herstellung einer Atmosphäre für thermische Behandlungen - Google Patents
Verfahren zur Herstellung einer Atmosphäre für thermische BehandlungenInfo
- Publication number
- DE69118309T2 DE69118309T2 DE69118309T DE69118309T DE69118309T2 DE 69118309 T2 DE69118309 T2 DE 69118309T2 DE 69118309 T DE69118309 T DE 69118309T DE 69118309 T DE69118309 T DE 69118309T DE 69118309 T2 DE69118309 T2 DE 69118309T2
- Authority
- DE
- Germany
- Prior art keywords
- process according
- nitrogen
- atmosphere
- reaction
- impure nitrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Revoked
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000007669 thermal treatment Methods 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 229910000510 noble metal Inorganic materials 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 238000005255 carburizing Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000011282 treatment Methods 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000000137 annealing Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
- C21D1/763—Adjusting the composition of the atmosphere using a catalyst
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9013279A FR2668584B1 (fr) | 1990-10-26 | 1990-10-26 | Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69118309D1 DE69118309D1 (de) | 1996-05-02 |
| DE69118309T2 true DE69118309T2 (de) | 1996-11-21 |
Family
ID=9401584
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9117076U Expired - Lifetime DE9117076U1 (de) | 1990-10-26 | 1991-10-22 | Vorrichtung zur Wärmebehandlung |
| DE69118309T Revoked DE69118309T2 (de) | 1990-10-26 | 1991-10-22 | Verfahren zur Herstellung einer Atmosphäre für thermische Behandlungen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9117076U Expired - Lifetime DE9117076U1 (de) | 1990-10-26 | 1991-10-22 | Vorrichtung zur Wärmebehandlung |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5242509A (ja) |
| EP (2) | EP0692545A1 (ja) |
| JP (1) | JP2634717B2 (ja) |
| AR (1) | AR246346A1 (ja) |
| AU (1) | AU643332B2 (ja) |
| BR (1) | BR9104637A (ja) |
| CA (1) | CA2054036C (ja) |
| DE (2) | DE9117076U1 (ja) |
| ES (1) | ES2085448T3 (ja) |
| FR (1) | FR2668584B1 (ja) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212307C2 (de) * | 1992-04-13 | 1994-07-28 | Messer Griesheim Gmbh | Verfahren zur Herstellung eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen |
| US5298090A (en) * | 1992-12-22 | 1994-03-29 | Air Products And Chemicals, Inc. | Atmospheres for heat treating non-ferrous metals and alloys |
| US5417774A (en) * | 1992-12-22 | 1995-05-23 | Air Products And Chemicals, Inc. | Heat treating atmospheres |
| US5320818A (en) * | 1992-12-22 | 1994-06-14 | Air Products And Chemicals, Inc. | Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon |
| US5968457A (en) * | 1994-06-06 | 1999-10-19 | Praxair Technology, Inc. | Apparatus for producing heat treatment atmospheres |
| US5441581A (en) | 1994-06-06 | 1995-08-15 | Praxair Technology, Inc. | Process and apparatus for producing heat treatment atmospheres |
| DE19545764C2 (de) * | 1995-12-07 | 2000-02-17 | Linde Ag | Verfahren zur Schutzgaserzeugung für einen Wärmebehandlungsofen und Wärmebehandlungsanlage |
| US6531105B1 (en) | 1996-02-29 | 2003-03-11 | L'air Liquide-Societe Anonyme A'directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and apparatus for removing carbon monoxide from a gas stream |
| EP0792679A1 (en) * | 1996-02-29 | 1997-09-03 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and apparatus for removing oxygen and carbon monoxide from a gas stream |
| EP0796919B2 (en) * | 1996-03-20 | 2006-12-20 | SOL S.p.A. | Process and plant for thermal treatment of metals in protecting atmosphere |
| NZ314334A (en) * | 1996-04-19 | 1997-09-22 | Boc Group Inc | Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added |
| FR2747593B1 (fr) * | 1996-04-23 | 1998-05-29 | Air Liquide | Procede d'elaboration d'une atmosphere de traitement thermique et methode de regulation d'un tel procede |
| US6007763A (en) * | 1996-04-23 | 1999-12-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and installation for preparing a heat treatment atmosphere |
| FR2747594B1 (fr) * | 1996-04-23 | 1998-05-29 | Air Liquide | Procede et installation d'elaboration d'une atmosphere de traitement thermique |
| US5735970A (en) * | 1996-05-30 | 1998-04-07 | Air Liquide America Corporation | Apparatus and process for the production of a neutral atmosphere |
| DE19651878C2 (de) * | 1996-12-13 | 2002-01-17 | Messer Griesheim Gmbh | Verfahren zum Herstellen eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen |
| FR2760758B1 (fr) * | 1997-03-13 | 1999-04-23 | Air Liquide | Installation de surveillance d'un appareil de generation d'atmosphere |
| IT1291205B1 (it) * | 1997-03-18 | 1998-12-29 | Rivoira S P A | Procedimento per la generazione di un'atmosfera protettiva a basso punto di rugiada ed esente da ossigeno, per l'effettuazione di |
| US5996746A (en) * | 1997-07-03 | 1999-12-07 | Rockshox, Inc. | Adjustable twin tube shock absorber |
| US6458217B1 (en) | 2000-02-29 | 2002-10-01 | American Air Liquide, Inc. | Superadiabatic combustion generation of reducing atmosphere for metal heat treatment |
| DE10050673C1 (de) * | 2000-10-04 | 2002-04-18 | Kohnle W Waermebehandlung | Verfahren zum Anlassen von Werkstücken in einem Ofen unter einer Schutzgasatmoshäre |
| US20040224028A1 (en) * | 2003-05-09 | 2004-11-11 | Popplewell Lewis Michael | Polymer particles and methods for their preparation and use |
| EP1739200A1 (fr) | 2005-06-28 | 2007-01-03 | UGINE & ALZ FRANCE | Bande en acier inoxydable austenitique présentant un aspect de surface brillant et d'excellentes caractéristiques mécaniques |
| FR2915694B1 (fr) * | 2007-05-03 | 2009-06-05 | Air Liquide | Procede ameliore de brasage d'aluminium a pression atmospherique |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB671421A (en) * | 1949-08-12 | 1952-05-07 | Edward Alfred Wheeley | Improvements in and relating to production of nitrogen or nitrogen-hydrogen mixtures |
| GB2018299A (en) * | 1978-01-17 | 1979-10-17 | Boc Ltd | Heat treatment of metal |
| JPS56152859A (en) * | 1980-04-28 | 1981-11-26 | Sumitomo Naugatuck Co Ltd | Elastomer composition |
| JPS585259A (ja) * | 1981-07-03 | 1983-01-12 | Toppan Printing Co Ltd | 印刷における見当判別方法 |
| DE3630833A1 (de) * | 1986-09-10 | 1988-03-17 | Linde Ag | Verfahren und vorrichtung zur waermebehandlung metallischer werkstuecke |
| FR2639250B1 (ja) * | 1988-11-24 | 1990-12-28 | Air Liquide |
-
1990
- 1990-10-26 FR FR9013279A patent/FR2668584B1/fr not_active Expired - Fee Related
-
1991
- 1991-10-17 US US07/778,403 patent/US5242509A/en not_active Expired - Fee Related
- 1991-10-22 ES ES91402801T patent/ES2085448T3/es not_active Expired - Lifetime
- 1991-10-22 EP EP19950202156 patent/EP0692545A1/fr not_active Ceased
- 1991-10-22 EP EP19910402801 patent/EP0482992B1/fr not_active Revoked
- 1991-10-22 DE DE9117076U patent/DE9117076U1/de not_active Expired - Lifetime
- 1991-10-22 DE DE69118309T patent/DE69118309T2/de not_active Revoked
- 1991-10-23 AU AU86715/91A patent/AU643332B2/en not_active Ceased
- 1991-10-24 JP JP27772091A patent/JP2634717B2/ja not_active Expired - Lifetime
- 1991-10-25 BR BR9104637A patent/BR9104637A/pt active IP Right Grant
- 1991-10-25 AR AR32100391A patent/AR246346A1/es active
- 1991-10-25 CA CA 2054036 patent/CA2054036C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2634717B2 (ja) | 1997-07-30 |
| ES2085448T3 (es) | 1996-06-01 |
| DE9117076U1 (de) | 1995-11-23 |
| EP0692545A1 (fr) | 1996-01-17 |
| EP0482992A1 (fr) | 1992-04-29 |
| US5242509A (en) | 1993-09-07 |
| EP0482992B1 (fr) | 1996-03-27 |
| FR2668584B1 (fr) | 1994-03-18 |
| AU8671591A (en) | 1992-04-30 |
| JPH05140641A (ja) | 1993-06-08 |
| FR2668584A1 (fr) | 1992-04-30 |
| BR9104637A (pt) | 1992-06-09 |
| CA2054036C (fr) | 2001-05-15 |
| AR246346A1 (es) | 1994-07-29 |
| DE69118309D1 (de) | 1996-05-02 |
| CA2054036A1 (fr) | 1992-04-27 |
| AU643332B2 (en) | 1993-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |